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Finding the Fourth Proportional to 533,303.01, 736,449.27 and 342,648.60

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Solution

The fourth proportional to 533,303.01, 736,449.27 and 342,648.60 is: 473,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,303.01 : 736,449.27 = 342,648.60 : x
  2. Step 2: Convert to fraction form
    533,303.01/736,449.27 = 342,648.60/x
  3. Step 3: Cross multiply
    533,303.01x = 736,449.27 × 342,648.60
  4. Step 4: Simplify right side
    533,303.01x = 252,343,311,336.52
  5. Step 5: Solve for x
    x = 252,343,311,336.52/533,303.01
  6. Step 6: Final answer
    x = 473,170.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.